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Chemsigma International Co.,Ltd. , a oriented fine chemical/pharmaceutical intermediate supplier, provide a wide range of organic & inorgnanic compounds in various quantities ranging from grams for research purposes to several tons for commercial applications.
We have served a world wide laboratory & factorys organic & inorgnanic chemical products such as catalyzer, fine chemicals, pharmaceutical & intermediates, Agrochemicals & Indermediates, Chemical Intermediates, Organic Intermediates, Dyestuffs & intermediates, Photographic & Electronics Chemicals and so on.

We have been supplying those chemical series as followed:

Some chemicals are as below, more chemicals can be found with searching.

 Tetrabromophthalic anhydride [632-79-1]
 2-Methoxyethyl acetoacetate [22502-03-0]
 1-Bromo-3-Iodobenzene [591-18-4]
 4,4'-Diiodobiphenyl (DIB) [3001-15-8]
 Sodium 1,4-butane-disulfonate [36589-61-4]
 N,N'-Diphenylbenzidine [531-91-9]
 2-Nitrodiphenylamine [119-75-5]
 Isopropyl cinnamate [7780-06-5]
 N,N,N',N'-Tetraphenylbenzidine [15546-43-7]
 4-Hydroxy-2'-nitrodiphenylamine(HC Orange No.1) [54381-08-7]
 2,3-DIMETHYL-2,3-DINITROBUTANE [3964-18-9]
 4-methoxybiphenyl [613-37-6]
 Diethyl oxalacetate, sodium salt [40876-98-0]
 4-Nitrophenyl chloroformate [7693-46-1]
 Tetraethyl orthocarbonate [78-09-1]
 4-Bromobiphenyl [92-66-0]
 Tetrabromophthalate Diol [370071-69-5]
 Bis-(2-hydroxy-3-cyclohexyl-5-methyl-phenyl)-metha [4066-02-8]
 2-Chloropyrazine [14508-49-7]
 Isopropyl cinnamate [7780-06-5]
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